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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 6542551989

Certificate GIA 6542551989

Diamond specifications and retailer prices

From $1,484 USD
As of November 5, 2026
Save $3,292 USD (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,776 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 6542551989. Listed at 19 retailers as of November 5, 2026, with prices from $1,484 to $4,776, a $3,292 spread on the same certified stone. NZ Jewellers lists it at $4,776. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle42.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542551989
Dimensions6.30 × 6.24 × 4.07 mm
L/W Ratio1.01
Top View
6.30 mm6.24 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542551989
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 42.4°Culet: NDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,776 USD|Low: $1,484 USD|High: $4,844 USD|Avg: $2,131 USD|-1.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 19$1,484 USD
Retailer 4$1,617 USD
Retailer 15$1,638 USD
Retailer 9$1,672 USD
Retailer 14$1,678 USD
Retailer 11$1,706 USD
Retailer 3$1,774 USD
Retailer 10$1,799 USD
Retailer 8$1,810 USD
Retailer 16$1,830 USD
Retailer 7$1,856 USD
Retailer 6$1,970 USD
Retailer 18$1,970 USD
Retailer 2$2,030 USD
Retailer 17$2,047 USD
Retailer 12$2,101 USD
Retailer 13$2,488 USD
Retailer 5$3,470 USD
NZ Jewellers$4,776 USD

31 data points across 19 retailers

19 retailers$1,484 USD to $4,776 USD

A
Cheapest Retailer
-
$1,484 USD
A
Retailer 2
-
$1,617 USD
View
A
Retailer 3
-
$1,638 USD
View
Final sale: no returns
A
Retailer 4
-
$1,672 USD
View
A
Retailer 5
-
$1,678 USD
View
A
Retailer 6
-
$1,706 USD
View
A
Retailer 7
-
$1,774 USD
View
Retailer 8
-
$1,799 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$1,810 USD
View
A
Retailer 10
-
$1,830 USD
View
A
Retailer 11
-
$1,856 USD
View
A
Retailer 12
-
$1,970 USD
View
A
Retailer 13
-
$1,970 USD
View
A
Retailer 14
-
$2,030 USD
View
A
Retailer 15
-
$2,047 USD
View
A
Retailer 16
-
$2,101 USD
View
B+
Retailer 17
-
$2,488 USD
View
B+
Retailer 18
-
$3,470 USD
View
Most Expensive
B
NZ Jewellers
ec507c66-be37-4794-813a-ae2f4fb2529f · Nov 5
$4,776 USD
View
18 more retailers have this diamond
Prices start from $1,484 USDSave up to $3,292 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Round
$1,484 USD